Question 1

mRNA codons contain three "letters."

Accepted Answer

A) True 
 B)False  True

Question 2

Down syndrome is an acquired disease,not a genetic disease.

Accepted Answer

A) True 
 B)False  False

Question 3

A silent mutation stops gene expression.

Accepted Answer

A) True 
 B)False  False

Question 4

What tripeptide is coded for by the following mRNA sequence? UUU AGA CCA

Accepted Answer

A) Phe-Pro-Arg 
B) Pro-Arg-Phe 
C) Phe-Arg-Pro 
D) Leu-Pro-Arg 
E) Phe-Thr-Pro 
A) Phe-Pro-Arg 
B) Pro-Arg-Phe 
C) Phe-Arg-Pro 
D) Leu-Pro-Arg 
E) Phe-Thr-Pro

Question 5

The codon is found on ________,and the anticodon is found on ________.

Accepted Answer

A) mRNA,tRNA 
B) tRNA,mRNA 
C) rRNA,tRNA 
D) ribosomes,tRNA 
E) mRNA,rRNA 
A) mRNA,tRNA 
B) tRNA,mRNA 
C) rRNA,tRNA 
D) ribosomes,tRNA 
E) mRNA,rRNA

Question 6

The anticodon is ________.

Accepted Answer

A) identical to the codon on DNA 
B) complementary to the codon on DNA 
C) identical to the codon on mRNA 
D) complementary to the codon on mRNA 
E) complementary to the codon on tRNA 
A) identical to the codon on DNA 
B) complementary to the codon on DNA 
C) identical to the codon on mRNA 
D) complementary to the codon on mRNA 
E) complementary to the codon on tRNA

Question 7

When DNA replicates,a guanine forms a base pair with ________.

Accepted Answer

A) uracil 
B) adenine 
C) guanine 
D) thymine 
E) cytosine 
A) uracil 
B) adenine 
C) guanine 
D) thymine 
E) cytosine

Question 8

The DNA complement of the sequence -G C C A T- is -G C C A T-.

Accepted Answer

A) True 
 B)False

Question 9

Protease inhibitors,which are effective anti-HIV drugs,________.

Accepted Answer

A) are nucleoside analogs 
B) prevent reverse transcription 
C) prevent synthesis of viral proteins 
D) prevent mRNA synthesis 
E) prevent activation of tRNA 
A) are nucleoside analogs 
B) prevent reverse transcription 
C) prevent synthesis of viral proteins 
D) prevent mRNA synthesis 
E) prevent activation of tRNA

Question 10

A retrovirus uses DNA as its genetic material.

Accepted Answer

A) True 
 B)False

Question 11

What is the process in which the DNA double helix unfolds,and each strand serves as a template for the synthesis of a new strand?

Accepted Answer

A) transcription 
B) complementation 
C) translation 
D) replication 
E) restriction 
A) transcription 
B) complementation 
C) translation 
D) replication 
E) restriction

Question 12

The base sequence of the DNA template strand is T G C A A C.What is the corresponding mRNA?

Accepted Answer

A) T G C A A C 
B) A C G U U G 
C) A C C U U G 
D) U C G T T G 
E) U C G T T C 
A) T G C A A C 
B) A C G U U G 
C) A C C U U G 
D) U C G T T G 
E) U C G T T C

Question 13

Which of the following is found in RNA but not in DNA?

Accepted Answer

A) thymine 
B) uracil 
C) guanine 
D) cytosine 
E) deoxyribose 
A) thymine 
B) uracil 
C) guanine 
D) cytosine 
E) deoxyribose

Question 14

Messenger RNA carries protein synthesis information from the nucleus to the ribosomes.

Accepted Answer

A) True 
 B)False

Question 15

When mRNA is synthesized using the information from DNA,the process is called ________.

Accepted Answer

A) transportation 
B) transposition 
C) transcription 
D) translation 
E) transliteration 
A) transportation 
B) transposition 
C) transcription 
D) translation 
E) transliteration

Question 16

Mutations are the result of ________.

Accepted Answer

A) alterations in the phosphate of the DNA backbone 
B) exposure to water in utero 
C) physical trauma in the mother's childhood 
D) alterations in the sugar component of the DNA backbone 
E) alterations in the DNA base sequence 
A) alterations in the phosphate of the DNA backbone 
B) exposure to water in utero 
C) physical trauma in the mother's childhood 
D) alterations in the sugar component of the DNA backbone 
E) alterations in the DNA base sequence

Question 17

During protein synthesis,the codon for an amino acid is found on ________.

Accepted Answer

A) DNA 
B) rRNA 
C) tRNA 
D) mRNA 
E) sRNA 
A) DNA 
B) rRNA 
C) tRNA 
D) mRNA 
E) sRNA

Question 18

The result of a defective enzyme caused by a mutation in the DNA nucleotide sequence is ________.

Accepted Answer

A) a genetic disease 
B) AIDS 
C) HIV 
D) recombinant DNA 
E) translocation 
A) a genetic disease 
B) AIDS 
C) HIV 
D) recombinant DNA 
E) translocation

Question 19

The process of translocation involves the synthesis of mRNA.

Accepted Answer

A) True 
 B)False

Question 20

The bonds that link the base pairs in the DNA double helix are ________.

Accepted Answer

A) ionic bonds 
B) peptide bonds 
C) hydrogen bonds 
D) hydrophobic interactions 
E) ester bonds 
A) ionic bonds 
B) peptide bonds 
C) hydrogen bonds 
D) hydrophobic interactions 
E) ester bonds

mRNA codons contain three "letters."

Down syndrome is an acquired disease,not a genetic disease.

A silent mutation stops gene expression.

What tripeptide is coded for by the following mRNA sequence? UUU AGA CCA

The codon is found on ,and the anticodon is found on .

The anticodon is ________.

When DNA replicates,a guanine forms a base pair with ________.

The DNA complement of the sequence -G C C A T- is -G C C A T-.

Protease inhibitors,which are effective anti-HIV drugs,________.

A retrovirus uses DNA as its genetic material.

What is the process in which the DNA double helix unfolds,and each strand serves as a template for the synthesis of a new strand?

The base sequence of the DNA template strand is T G C A A C.What is the corresponding mRNA?

Which of the following is found in RNA but not in DNA?

Messenger RNA carries protein synthesis information from the nucleus to the ribosomes.

When mRNA is synthesized using the information from DNA,the process is called ________.

Mutations are the result of ________.

During protein synthesis,the codon for an amino acid is found on ________.

The result of a defective enzyme caused by a mutation in the DNA nucleotide sequence is ________.

The process of translocation involves the synthesis of mRNA.

The bonds that link the base pairs in the DNA double helix are ________.

Chemistry in Our Lives

Chemistry and Measurement

Matter and Energy

Atoms and Elements

Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Quantities and Reactions

Gases

Solutions

Acids and Bases and Equilibrium

Introduction to Organic Chemistry: Hydrocarbons

Alcohols, thiols, ethers, aldehydes, and Ketones

Carbohydrates

Carboxylic Acids, esters, amines, and Amides

Lipids

Amino Acids, proteins, and Enzymes

Metabolic Pathways and Energy Production

Filters

Exam 17: Nucleic Acids and Protein Synthesis

mRNA codons contain three "letters."

Down syndrome is an acquired disease,not a genetic disease.

A silent mutation stops gene expression.

What tripeptide is coded for by the following mRNA sequence? UUU AGA CCA

The codon is found on ________,and the anticodon is found on ________.

The anticodon is ________.

When DNA replicates,a guanine forms a base pair with ________.

The DNA complement of the sequence -G C C A T- is -G C C A T-.

Protease inhibitors,which are effective anti-HIV drugs,________.

A retrovirus uses DNA as its genetic material.

What is the process in which the DNA double helix unfolds,and each strand serves as a template for the synthesis of a new strand?

The base sequence of the DNA template strand is T G C A A C.What is the corresponding mRNA?

Which of the following is found in RNA but not in DNA?

Messenger RNA carries protein synthesis information from the nucleus to the ribosomes.

When mRNA is synthesized using the information from DNA,the process is called ________.

Mutations are the result of ________.

During protein synthesis,the codon for an amino acid is found on ________.

The result of a defective enzyme caused by a mutation in the DNA nucleotide sequence is ________.

The process of translocation involves the synthesis of mRNA.

The bonds that link the base pairs in the DNA double helix are ________.

Chemistry in Our Lives

Chemistry and Measurement

Matter and Energy

Atoms and Elements

Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Quantities and Reactions

Gases

Solutions

Acids and Bases and Equilibrium

Introduction to Organic Chemistry: Hydrocarbons

Alcohols, thiols, ethers, aldehydes, and Ketones

Carbohydrates

Carboxylic Acids, esters, amines, and Amides

Lipids

Amino Acids, proteins, and Enzymes

Metabolic Pathways and Energy Production

Filters

The codon is found on ,and the anticodon is found on .